Top NET Jobs in Belfast

Design, develop, modernize, test, deploy, and support full-stack enterprise applications using C# and .NET. Build backend services and frontend applications, troubleshoot complex issues, participate in architecture and code reviews, and champion clean code, automated testing, reliability, security, and AI-assisted development. Collaborate with product, QA, UX, and other stakeholders while mentoring junior engineers, documenting systems, and contributing to sprint planning and continuous improvement.

Part-time marketing role supporting industry, competitor, prospect, and market research; AI-generated content review; source verification; SEO and AI-search research; campaign and sales materials; and development of repeatable AI-assisted marketing processes. The role requires strong writing, analytical thinking, fact-checking, attention to detail, independent work, and curiosity about technology, AI, business, and marketing. It is a 12-week, remote UK-based paid program requiring 15–20 hours weekly.

Develop and own full-stack .NET features across the software development lifecycle, from architecture and requirements through deployment and support. Build web services and database-backed applications, troubleshoot defects, and collaborate with senior engineers. Use AI coding assistants, custom agents, prompts, and harnesses to improve development workflows while maintaining code quality, testing, and review standards in a fast-paced fintech environment.

Design, build, test, and deploy complex full-stack .NET solutions in a fintech SaaS environment. Own features through the software development lifecycle, from architecture and requirements to release. Collaborate with senior engineers and technical support to manage dependencies, troubleshoot defects, and deliver timely improvements. Use AI coding assistants, agents, skills, and harnesses to enhance development workflows, while contributing to code quality, testing, cloud deployment, and continuous improvement.

Develop and deliver complex full-stack .NET features across the SDLC, including architecture, implementation, testing, deployment, and defect remediation. Collaborate with senior engineers and support teams to refine requirements, manage risks, and release software. Use AI coding assistants, agents, custom skills, and harnesses as part of development, while contributing to AI workflow improvements, code quality, and engineering practices.

Develop and own complex full-stack .NET features across the software development lifecycle in a fast-paced fintech SaaS environment. Responsibilities include architecture, implementation, testing, deployment, requirements refinement, estimation, bug remediation, and collaboration with support and senior engineers. The role emphasizes AI-assisted and agentic development using custom skills, agents, harnesses, prompts, evaluations, and guardrails. Candidates will build web services and user interfaces, work with databases and cloud technologies, and contribute to continuous improvement of engineering workflows.

Provides senior technical leadership and delivery for complex .NET and cloud-native projects. Translates business requirements into technical designs, develops distributed and microservice solutions on Azure or AWS, writes integration and end-to-end tests, and maintains code quality and security standards. Collaborates with technical and non-technical stakeholders, contributes to architecture and design reviews, resolves technical challenges, and supports knowledge sharing and team development.

Leads end-to-end modernization from a monolith to microservices, including legacy analysis, architecture, estimation, data migration, deployment, and production support. Guides .NET services, databases, messaging, containerization, and frontend integrations. Acts as the technical escalation point for complex issues while improving Jira tracking, estimation accuracy, QA collaboration, release predictability, and engineering processes. Manages and develops the team through one-on-ones, performance reviews, feedback, and career-focused objectives.

Lead the architecture and development of cloud-based software solutions using the Microsoft Azure stack and .NET technologies. Build and guide cross-functional Agile squads, oversee technical decisions, conduct code reviews, and ensure maintainable, extensible outcomes. The role involves approximately 70% technical development and 30% management, collaboration with distributed engineering teams, API and RESTful service development, and applying Scrum and DevSecOps practices.

Hands-on Senior Developer responsible for designing, building, and supporting scalable enterprise SaaS features and integrations for an automotive intelligence platform. Work across the full .NET stack, database design and tuning, front-end development, APIs, and CI/CD while collaborating with Product, QA, and UX to maintain engineering standards and production support.

The Senior .Net Developer will enhance SDG's C#/.NET Core codebase, design high-load services, and optimize MS SQL queries, benefiting from a remote work environment and attractive benefits.